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<front>
<journal-meta>
<journal-id>0026-1742</journal-id>
<journal-title><![CDATA[Revista de la Facultad de Medicina (México)]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Fac. Med. (Méx.)]]></abbrev-journal-title>
<issn>0026-1742</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0026-17422018000300060</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Carta al editor]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández Ruiz]]></surname>
<given-names><![CDATA[Héctor Fernando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Arenas]]></surname>
<given-names><![CDATA[María del Pilar Margarita]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Álvarez-Díaz]]></surname>
<given-names><![CDATA[Carlos de Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Durán Cárdenas]]></surname>
<given-names><![CDATA[Cassandra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,UNAM Facultad de Medicina ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,UNAM Facultad de Medicina Departamento de Integración de Ciencias Médicas]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>61</volume>
<numero>3</numero>
<fpage>60</fpage>
<lpage>61</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0026-17422018000300060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0026-17422018000300060&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0026-17422018000300060&amp;lng=en&amp;nrm=iso"></self-uri></article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[MM]]></given-names>
</name>
<name>
<surname><![CDATA[Álvarez-Díaz]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Durán]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La técnica correcta para la exploración de mama]]></article-title>
<source><![CDATA[Revista de la Facultad de Medicina]]></source>
<year>2018</year>
<volume>61</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>44-50</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="">
<collab>Secretaría de Salud</collab>
<source><![CDATA[Norma Oficial Mexicana NOM-041-SSA2-2011, para la prevención, diagnóstico, tratamiento, control y vigilancia epidemiológica del cáncer de mama]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="book">
<collab>Consejo Nacional de Excelencia Tecnológica en Salud</collab>
<source><![CDATA[Prevención, tamizaje y referencia oportuna de casos sospechosos de cáncer de mama en el primer nivel de atención: Guía de referencia rápida: Guía de práctica clínica]]></source>
<year>2017</year>
<publisher-name><![CDATA[CENETEC]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thomas]]></surname>
<given-names><![CDATA[DB]]></given-names>
</name>
<name>
<surname><![CDATA[Gao]]></surname>
<given-names><![CDATA[DL]]></given-names>
</name>
<name>
<surname><![CDATA[Ray]]></surname>
<given-names><![CDATA[RM]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[WW]]></given-names>
</name>
<name>
<surname><![CDATA[Allison]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[FL]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Randomized trial of breast self-examination in Shangai Final results]]></article-title>
<source><![CDATA[Journal of the National Cancer Institute]]></source>
<year>2002</year>
<volume>94</volume>
<numero>19</numero>
<issue>19</issue>
<page-range>1445-57</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Semiglazov]]></surname>
<given-names><![CDATA[VF]]></given-names>
</name>
<name>
<surname><![CDATA[Moiseyenko]]></surname>
<given-names><![CDATA[VM]]></given-names>
</name>
<name>
<surname><![CDATA[Manikhas]]></surname>
<given-names><![CDATA[AG]]></given-names>
</name>
<name>
<surname><![CDATA[Protsenko]]></surname>
<given-names><![CDATA[SA]]></given-names>
</name>
<name>
<surname><![CDATA[Kharikova]]></surname>
<given-names><![CDATA[RS]]></given-names>
</name>
<name>
<surname><![CDATA[Ivanov]]></surname>
<given-names><![CDATA[VG]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Role of breast self-examination in early detection of breast cancer Russia/WHO prospective randomized trial in St. Petersburg]]></article-title>
<source><![CDATA[Cancer Strategy]]></source>
<year>1999</year>
<volume>1</volume>
<page-range>145-51</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[To]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
<name>
<surname><![CDATA[Baines]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Canadian National Breast Screening Study-1 Breast cancer mortality after 11 to 16 years of follow-up]]></article-title>
<source><![CDATA[Ann Intern Med]]></source>
<year>2002</year>
<volume>137</volume>
<page-range>305-12</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Miller]]></surname>
<given-names><![CDATA[AB]]></given-names>
</name>
<name>
<surname><![CDATA[Wall]]></surname>
<given-names><![CDATA[C]]></given-names>
</name>
<name>
<surname><![CDATA[Baines]]></surname>
<given-names><![CDATA[CJ]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
<name>
<surname><![CDATA[To]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Twenty five year follow-up for breast cancer incidence and mortality of the Canadian National Breast Screening Study Randomised screening trial]]></article-title>
<source><![CDATA[BMJ]]></source>
<year>2014</year>
<volume>348</volume>
<page-range>g366</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kösters]]></surname>
<given-names><![CDATA[JP]]></given-names>
</name>
<name>
<surname><![CDATA[Gotzsche]]></surname>
<given-names><![CDATA[PC]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Regular self-examination or clinical examination for early detection of breast cancer (Review)]]></article-title>
<source><![CDATA[Cochrane Database Syst Rev]]></source>
<year>2003</year>
<numero>2</numero>
<issue>2</issue>
<page-range>CD003373</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nelson]]></surname>
<given-names><![CDATA[HD]]></given-names>
</name>
<name>
<surname><![CDATA[Cantor]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
<name>
<surname><![CDATA[Humphrey]]></surname>
<given-names><![CDATA[L]]></given-names>
</name>
<name>
<surname><![CDATA[Fu]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<name>
<surname><![CDATA[Pappas]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
<name>
<surname><![CDATA[Daeges]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Screening for Breast Cancer: A Systematic Review to Update the 2009 U.S. Preventive Services Task Force Recommendation. Evidence Synthesis No. 124. AHRQ Publication No. 14-05201-EF-1. Rockville,]]></source>
<year>2016</year>
<publisher-loc><![CDATA[MD ]]></publisher-loc>
<publisher-name><![CDATA[Agency for Healthcare Research and Quality]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baxter]]></surname>
<given-names><![CDATA[N]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Preventive health care, 2001 update Should women be routinely taught breast self-examination to screen for breast cancer?]]></article-title>
<source><![CDATA[CMAJ]]></source>
<year>2001</year>
<volume>164</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>1837-46</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
